| | Characteristics | Overall Sample
() | Male
() | Female
() | /
male versus female |
| | Age, years (SD) | 70.4 (1.42) | 70.4 (1.44) | 70.4 (1.40) |
0.003 | | Range | 68–73 | 68–73 | 68–73 | | | Race | | | | 1.74 | | Caucasian, (%) | 254 (95.5) | 137 (95.1) | 117 (95.9) | | | Asian, (%) | 6 (2.3) | 4 (2.78) | 2 (1.64) | | | Other, (%) | 4 (1.5) | 1 (0.694) | 3 (2.46) | | | Education, years (SD) | 14.2 (2.57) | 15.0 (2.27) | 13.3 (2.61) | 32.3*** | | Range | 5–19 | 9–19 | 5–19 | | | Cardiovascular disease risk factors | | | | 7.41 | | None, (%) | 15 (5.6) | 7 (4.9) | 8 (6.6) | | | One, (%) | 70 (26.3) | 36 (25.0) | 34 (27.9) | | | Two, (%) | 102 (38.3) | 49 (34.0) | 53 (43.4) | | | Three, (%) | 62 (23.3) | 39 (27.1) | 23 (18.9) | | | Four, (%) | 17 (6.4) | 13 (27.1) | 4 (3.3) | | | MMSE, score (SD) | 29.4 (0.874) | 29.3 (0.881) | 29.4 (0.862) | 2.13 | | Range | 26–30 | 26–30 | 26–30 | | | BMI, score (SD) | 26.6 (4.91) | 26.5 (3.73) | 26.8 (6.02) | 0.141 | | Range | 18–60 | 20–39 | 18–60 | | | Mean arterial blood pressure, level (SD) | 103.9 (11.2) | 105.0 (11.5) | 102.6 (10.7) | 3.02 | | Range | 81–155 | 82–155 | 81–130 | | | Average systolic pressure, level (SD) | 149.7 (19.5) | 150.3 (19.9) | 148.9 (18.9) | 0.334 | | Range | 108.5–219.0 | 108.5–219.0 | 109–205 | | | Average diastolic pressure, level (SD) | 81.0 (9.84) | 82.4 (10.0) | 79.5 (99.41) | 5.75* | | Range | 57.5–124 | 59.5–124 | 57.5–104.5 | | | Smoke | | | | 4.25* | | History or current, (%) | 114 (42.9) | 70 (48.6) | 44 (36.1) | | | Cognitive test performance | | | | | | Immediate recall, mean (SD) | 6.89 (2.03) | 6.47 (1.74) | 7.40 (2.24) | 14.7*** | | Range | 2–13 | 3–11 | 2–13 | | | Delayed recall, mean (SD) | 6.07 (2.18) | 5.70 (1.90) | 6.50 (2.41) | 9.13** | | Range | 0–12 | 1–11 | 0–12 | | | Digit backward, mean (SD) | 5.28 (2.03) | 5.62 (2.01) | 4.88 (1.99) | 9.07** | | Range | 1–10 | 1–10 | 1–10 | | | Symbol Digit Modalities Test, mean (SD) | 49.7 (8.53) | 49.4 (8.32) | 49.9 (8.79) | 0.32 | | Range | 16–75 | 20–75 | 16–71 | | | COWAT A-words, mean (SD) | 12.8 (5.39) | 13.3 (5.39) | 12.3 (5.38) | 2.49 | | Range | 0–30 | 2–30 | 0–29 | | | COWAT F-words, mean (SD) | 14.3 (4.94) | 14.7 (4.98) | 13.9 (4.88) | 1.59 | | Range | 4–31 | 6–31 | 4–30 | | | Spot the Word, mean (SD) | 53.5 (5.08) | 54.4 (4.55) | 52.4 (5.46) | 10.2** | | Range | 34–60 | 34–60 | 37–60 | | | Boston Naming Test, mean (SD) | 13.9 (1.31) | 13.9 (1.29) | 13.8 (1.34) | 1.51 | | Range | 7–15 | 7–15 | 9–15 | |
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